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California American Water Lifts Boil Water Notice for its San Diego County District

California American Water has lifted a boil water advisory that was in place for its San Diego County District. Customers can now consume and use their tap water normally after days of extensive testing have shown no sign of contamination.

On August 24, 2023, California American Water issued an “Advisory to Boil Water” for customers that reside in Imperial Beach, Coronado (specifically, along the Silver Strand south of Fiddlers Cove) and in portions of San Diego and Chula Vista due to a positive E. Coli result found in one of its drinking water samples. Effective Saturday August 26th at 4:36pm the boil water advisory has been lifted and customers in California American Water’s San Diego County District no longer need to boil water or consume bottled water.

California American Water, in conjunction with the State Water Resources Control Board's Division of Drinking Water (DDW), has determined that, after comprehensive testing, the water is safe to drink in the San Diego County District.

California American Water is dedicated to safeguarding the health and well-being of our customers and the community, and we will always hold water quality paramount.

After a boil water advisory, it is recommended that all customers including residents, schools and businesses flush the plumbing in their building or home by running all cold-water faucets for at least five minutes each. Ice from ice makers should be discarded and replaced.

Healthcare facilities should refer to the CDC’s recommended guidelines here.

Commercial customers with food preparation facilities including restaurants, markets and hotels that are impacted can find additional information about re-opening on County of San Diego’s Environmental Health and Quality’s website:

California American Water apologizes for any inconvenience and extends its gratitude to the dedicated staff and local organizations who worked around the clock on water quality testing, customer and community communications as well as the distribution of bottled water during this event.

For updated information, customers can visit California American Water’s alerts page.

About California American Water

California American Water, a subsidiary of American Water, provides high-quality and reliable water and wastewater services to approximately 700,000 people.


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